Home / 1,073,088,009.20-1,609,632,013.80-879,218,332.40

Finding the Fourth Proportional to 1,073,088,009.20, 1,609,632,013.80 and 879,218,332.40

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Solution

The fourth proportional to 1,073,088,009.20, 1,609,632,013.80 and 879,218,332.40 is: 1,318,827,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,088,009.20 : 1,609,632,013.80 = 879,218,332.40 : x
  2. Step 2: Convert to fraction form
    1,073,088,009.20/1,609,632,013.80 = 879,218,332.40/x
  3. Step 3: Cross multiply
    1,073,088,009.20x = 1,609,632,013.80 × 879,218,332.40
  4. Step 4: Simplify right side
    1,073,088,009.20x = 1,415,217,974,950,889,728
  5. Step 5: Solve for x
    x = 1,415,217,974,950,889,728/1,073,088,009.20
  6. Step 6: Final answer
    x = 1,318,827,498.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.